<%@ page language="java" import="java.util.*" contentType="text/html; charset=UTF-8" pageEncoding="utf-8" %>

<%@page import="tree_util.Account" %>
<link href="css/user.css" rel="stylesheet"/>
<%
    List<String> user_power = (List<String>) session.getAttribute("userPower");
//封装用户权限
%>
<div class="nav">
    <div id="logo"></div>
    <div class="nav-menu">

        <a class="nav-menu-list" href="help.jsp" target="right_iframe"><span
                class="glyphicon glyphicon-exclamation-sign"></span>&nbsp关于</a>
        <a class="nav-menu-list" href="login.jsp"><span class="glyphicon glyphicon-log-out"></span>&nbsp退出</a>
    </div>
</div>